OP1 = (0, 1)
OP4 = tuple(sorted([0b0000, 0b1010, 0b0101, 0b1111]))
OP5 = tuple(sorted([0b00000, 0b10101, 0b01010, 0b11011, 0b11111]))
OP6 = tuple(sorted([0b000000, 0b101010, 0b010101, 0b110011, 0b111111]))


def setvl():
    for RC in ("", "."):
        for RT in OP5:
            for RA in OP5:
                for SVi in ((0b000001,) + OP6[1:] + (0b100000,)):
                    for vf in OP1:
                        for vs in OP1:
                            for ms in OP1:
                                yield f"setvl{RC} {RT},{RA},{SVi},{vf},{vs},{ms}"